Patent application number | Description | Published |
20120218420 | Apparatus and Method for Calibrating Audio-Visual Signal - An apparatus for calibrating an audio-visual (AV) signal includes a controller for generating a control signal, a controllable filter for selectively filtering the AV signal in response to the control signal to output either the AV signal or a filtered AV signal; and a calibrator for generating a group of calibrating coefficients according to the filtered AV signal and calibrating the AV signal according to the group of calibrating coefficients. | 08-30-2012 |
20120254685 | READDRESSING DECODER FOR QUASI-CYCLIC LOW-DENSITY PARITY-CHECK AND METHOD THEREOF - A readdressing decoder for QC-LDPC decoding including a memory, a controller and parallel processors is provided. The memory stores a QC-LDPC matrix including sub-matrices respectively addressed with a corresponding address. The controller readdresses each of the sub-matrices into divided matrices and defines each of the divided matrices into a first address group and a second address group. The controller further respectively transmits the divided matrices of the first address group and the second address group to the parallel processors to perform correction algorithm. | 10-04-2012 |
20130148518 | PACKET RECEIVER AND PACKET PROCESSING METHOD THEREOF - A packet processing method applied in a packet receiver is provided. An approximate bit rate is first determined according to time stamps of two different packets. The approximate bit rate is corrected according to a time stamp of another packet to generate a fine-tuned bit rate. According to the fine-tuned bit rate, one or more subsequent packets are read out from a buffer. The time stamp of a subsequent packet is provided according to the approximate bit rate. | 06-13-2013 |
20130215950 | APPARATUS AND METHOD FOR DETECTING SYMBOL RATE - A symbol rate detection apparatus includes an analog-to-digital converter (ADC), a coarse detection module, a mixer, a down-sampling module, and a fine detection module. The ADC converts an analog input signal to a digital input signal at an original sampling frequency. The coarse detection module estimates a carrier frequency offset and a coarse symbol rate according to the digital input signal. The mixer adjusts the frequency of the digital input signal according to the carrier frequency offset to generate a frequency-compensated signal. The fine detection module determines a fine symbol rate according to the frequency-compensated signal. | 08-22-2013 |
20140125625 | TOUCH PANEL CONTROL SYSTEM, CAPACITANCE DETECTION APPARATUS AND METHOD THEREOF - A capacitance detection apparatus for a touch panel includes an N number of capacitors. The detection apparatus generates an N number of different input signals, and provides an i | 05-08-2014 |
20140157331 | CHANNEL SCANNING METHOD FOR DIGITAL VIDEO BROADCASTING SATELLITE SIGNAL - A channel scanning method for Digital Video Broadcasting—Satellite (DVB-S) signals is provided. The method includes: scanning a radio frequency (RF) signal according to a normal frequency step; when the N | 06-05-2014 |
20140219403 | APPARATUS AND METHOD FOR ESTIMATING CHANNEL EFFECTS - An apparatus for estimating channel effects is provided. A receiving module receives first data and first reference information arriving in a first time period, second data and second reference data arriving in a second time period, and third data and third reference data arriving in a third time period. An estimation module estimates channel effects corresponding to the first and third data, and the first, second and third reference data, respectively. A coefficient calculation module performs a Wiener filter coefficient calculation on the channel effects corresponding to the first, second and third reference data to generate a set of time-domain interpolation coefficients. An interpolation module interpolates the channel effects corresponding to the first third data according to the set of time-domain interpolation coefficients to generate a channel effect corresponding to the second data. | 08-07-2014 |
20140247715 | WIRELESS RECEIVING SYSTEM AND SIGNAL PROCESSING METHOD THEREOF - A wireless system including a decoding module, an estimating module and a searching module is provided. The decoding module receives and decodes a packet to generate a decoding result. The estimating module retrieves package length information from the decoding result, and estimates a transmission end time of the packet according to the packet length information. The searching module determines a search start time according to the transmission end time, and starts packet searching at the search start time. | 09-04-2014 |
20140254652 | DIGITAL BROADCASTING RECEIVING SYSTEM AND ASSOCIATED SIGNAL PROCESSING METHOD - A digital broadcasting receiving system is provided. A receiving module receives an M number of symbols each carrying an N number of subcarriers of a control signal. A converting module performs FFT on respective k | 09-11-2014 |
20140355659 | RECEIVING APPARATUS AND METHOD FOR ACCELERATING EQUALIZATION CONVERGENCE - A receiving apparatus applied to a receiving end of a communication device having an equalizer is provided. The receiving apparatus includes a filter and a channel estimator. The filter filters a received signal to reduce a multipath effect of the received signal and outputs a filtered signal. The channel estimator performs channel estimation on the received signal to generate an estimation result. The estimation result is for determining which of the received signal and the filtered signal is to be selected and sent to the equalizer. | 12-04-2014 |
20140362963 | CORRECTING APPARATUS FOR TIMING RECOVERY OF RECEIVER AND METHOD THEREOF - A correcting apparatus for timing recovery of a receiver is provided. The receiver includes a timing recovery module that outputs a first symbol and a second symbol. The correcting apparatus includes: a channel impulse response module, configured to generate a first set of peak times and a second set of peak times according to the first symbol and the second symbol, respectively; and a calculation module, configured to calculate a correction signal according to a relationship between the first and second sets of peak times and to send the correction signal to the timing recovery module. | 12-11-2014 |